Greadio D11 Portable DAB/DAB+ FM Solar Radio User Manual

1. Introduction

Thank you for purchasing the Greadio D11 Portable DAB/DAB+ FM Solar Radio. This multi-functional device is designed for reliable performance in various environments, offering DAB/DAB+ and FM radio reception, Bluetooth 5.3 connectivity, a built-in flashlight, and multiple power options including solar, hand crank, and USB charging. It also features an emergency SOS alarm, a 4000mAh rechargeable battery, and media playback capabilities via USB and SD card. This manual provides detailed instructions for safe and effective use of your radio.

2. Safety Information

• Do not expose the radio to extreme temperatures, direct sunlight for prolonged periods, or high humidity.
• Avoid dropping or subjecting the radio to strong impacts.
• Keep the device away from water and other liquids. If it gets wet, power off immediately and allow it to dry completely before use.
• Do not attempt to disassemble or modify the radio. This will void the warranty and may cause damage or injury.
• Use only the specified charging methods (USB-C, solar, hand crank).
• When using the SOS alarm, be aware that it emits a loud siren and flashing light. Use responsibly in emergency situations.
• Dispose of batteries according to local regulations.

3. Package Contents

• Greadio D11 Portable Radio
• USB-C Charging Cable
• User Manual (this document)

4. Product Overview

Familiarize yourself with the various parts and controls of your Greadio D11 radio.

Image 4.1: Front view of the Greadio D11 Portable Radio (Blue model).

Image 4.2: Overview of the Greadio D11 Portable Radio (Green model) highlighting features like DAB+/FM Radio, Bluetooth 5.3, USB Driver, TF/SD Card, Flashlight, Earphone Jack, White Noise, 4000mAh battery, and SOS function.

Controls and Ports:

• Display Screen: Shows current mode, station, time, battery level.
• Power Button: Turns the radio on/off.
• Mode Button: Switches between DAB, FM, Bluetooth, and Media Player modes.
• Menu Button: Accesses settings and options within each mode.
• Tuning/Volume Knob: Adjusts volume, navigates menus, or tunes frequencies.
• Preset Buttons: Save and recall favorite stations.
• Telescopic Antenna: For improved radio reception.
• Flashlight: Integrated LED light.
• SOS Button: Activates emergency alarm.
• Solar Panel: On the back for solar charging.
• Hand Crank: For manual power generation.
• USB-C Input: For charging the radio.
• USB-A Output: For charging external devices.
• TF/SD Card Slot: For media playback.
• 3.5mm Headphone Jack: For private listening.
• Compass: Located on top for navigation.

5. Setup

5.1 Initial Charging

Before first use, fully charge the radio using the USB-C cable. Connect the USB-C end to the radio's input port and the USB-A end to a standard USB power adapter (not included) or computer port. The battery indicator on the display will show charging status.

Image 5.1: Rear view of the Greadio D11 Portable Radio (Green model) showing the solar panel and various ports.

5.2 Powering the Radio

The Greadio D11 offers multiple power options:

• Internal Battery: The built-in 4000mAh rechargeable battery provides up to 16 hours of operation.
• USB-C Charging: Connect to a USB power source for continuous power or to recharge the internal battery.
• Solar Charging: Place the radio with the solar panel facing direct sunlight. This method is primarily for maintaining battery charge or slow charging in emergencies.
• Hand Crank: Rotate the hand crank clockwise or counter-clockwise at a steady pace (approximately 120-150 RPM) to generate power and charge the internal battery. One minute of cranking can provide several minutes of radio use.

Image 5.2: The Greadio D11 Portable Radio (Green model) illustrating its multiple charging methods: hand crank, solar, and USB-C.

5.3 Antenna

Extend the telescopic antenna fully for optimal DAB/DAB+ and FM radio reception. Adjust its direction for the best signal.

6. Operating Instructions

6.1 Power On/Off

Press and hold the Power Button to turn the radio on or off.

6.2 Adjusting Volume

Rotate the Tuning/Volume Knob to adjust the audio volume.

6.3 Radio Modes (DAB/DAB+ and FM)

1. Press the Mode Button to select either DAB or FM mode.
2. Automatic Scan: In DAB or FM mode, press and hold the Menu Button (or a dedicated scan button if available) to initiate an automatic scan for available stations. The radio will search and save up to 40 DAB and 40 FM stations.
3. Manual Tuning: Rotate the Tuning/Volume Knob to manually tune to a specific frequency.
4. Preset Stations: To save a station, tune to the desired station, then press and hold a Preset Button (e.g., P1-P5) until the display confirms it's saved. To recall a saved station, short press the corresponding Preset Button.

Image 6.1: The Greadio D11 Portable Radio (Green model) display showing DAB mode and the ability to store up to 80 preset stations (40 FM, 40 DAB).

6.4 Bluetooth Mode

1. Press the Mode Button until "Bluetooth" appears on the display. The radio will enter pairing mode, indicated by a flashing Bluetooth icon.
2. On your smartphone or other Bluetooth device, search for "Greadio D11" (or similar) in the Bluetooth settings and select it to pair.
3. Once paired, you can play audio from your device through the radio.

6.5 Media Player (USB/SD Card)

1. Insert a USB drive or TF/SD card (up to 256GB, supporting MP3, WAV, APE, FLAC formats) into the corresponding slot.
2. Press the Mode Button to select "Media Player" or "USB/SD Card" mode.
3. The radio will automatically detect and begin playing audio files. Use the navigation buttons to skip tracks or adjust playback.

6.6 Flashlight

Press the dedicated Flashlight Button (if available) or a multi-function button to turn the flashlight on or off.

6.7 SOS Alarm

In an emergency, press and hold the SOS Button to activate a loud siren and flashing light. Press it again to deactivate.

6.8 Charging External Devices

Connect your smartphone or other USB-powered device to the USB-A Output Port on the radio using your device's charging cable. The radio's internal battery will act as a power bank to charge your device.

Image 6.2: The Greadio D11 Portable Radio (Green model) being used to charge a smartphone via its USB output port.

6.9 White Noise Function

The radio includes 8 types of white noise to aid relaxation or sleep. Access this function via the Mode Button or a dedicated menu option. Select your preferred white noise sound.

Image 6.3: The Greadio D11 Portable Radio (Green model) demonstrating its white noise feature for improved sleep.

7. Maintenance

• Cleaning: Wipe the radio with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Storage: When not in use for extended periods, store the radio in a cool, dry place. It is recommended to fully charge the battery every 3 months to maintain its lifespan.
• Antenna Care: Handle the telescopic antenna gently to prevent bending or breaking.

8. Troubleshooting

9. Specifications

10. Warranty and Support

Greadio products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official Greadio website. Please have your model number (D11) and purchase date ready when contacting support.